Science

Tuesday, 3 November 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

Did you know?

Silver
Silver is a metal slightly harder than gold.
It is a very ductile and malleable metal with a shiny luster and can be easily polished.
Silver
Silver has the lowest contact resistance among all metals.
NASA
In July 1975, NASA launched a joint mission with the Soviet Union, called the Apollo-Soyuz Test Project.
The mission was a symbol of détente during the Cold War. Moreover, it was the last crewed U.S. spaceflight in a space capsule until 2020.
Anorexia Nervosa
The exact cause of anorexia is not yet known.
It is thought to consist of a combination of biological, psychological, and environmental factors.
Earth
Earth is the third planet from the Sun.
It is also the first planet from the sun to have a natural satellite.
Mushrooms
All fungi are foreign organisms, they can only occur in habitats containing organic compounds.
Many species for their lives require a small amount of them. They can be saprophytes feeding on dead organic matter, or parasites developing at the expense of other, living organisms.
Titan
There are three seas on its surface.
The largest–Kraken Mare–has an area of 400,000 square kilometers, Ligeia Mare has an area of 126,000 ...
Silver
Later, pure silver coins were produced.
The British pound was initially worth 1 pound of 925 silver jewelry.
Large Magellanic Cloud
It is located approximately 163.000 light-years from the Milky Way.
The measurement error from 2013 is 2.2 percent.
Enceladus
Enceladus' geysers are the main source of material in Saturn's E ring.
This material also reaches Saturn's atmosphere, where water from the Enceladus eruption can be found.